Static/hissing sounds....what is it?

[BlkonBlkFG 10+ year member]

Hi guys...I've recently installed a set of HAT Clarus C61-2 in my civic. Followed all manufacturers directions. I have the alpine CDA-9887 and a Memphis Audio M-class 4 channel amp bridged (230x2) powering them. This is a class AB amp. Recently I burned a couple Focal Demo discs and while listening carefully in the background it seemed that I heard why sounds like a slight static/ ssssss noise. I've noticed it on other CDs as well. Is this bc of my amplifier? Is it not a clean enough signal? Or are there other Possible causes?

Thanks for any help,

Josh

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[350zspl 10+ year member]

double check your grounds all of them head unit and amp

re-route your rca's

this will cost nothing and will take 30 minutes to an hour